How to download and setup Prometheus
Open terminal and run command
                                            git clone https://github.com/prometheus-lua/Prometheus.git
                                        
                                        git clone is used to create a copy or clone of Prometheus repositories.
                                        You pass git clone a repository URL. it supports a few different network protocols and corresponding URL formats.
Also you may download zip file with Prometheus https://github.com/prometheus-lua/Prometheus/archive/master.zip
Or simply clone Prometheus with SSH
                                            [email protected]:prometheus-lua/Prometheus.git                                    
                                    If you have some problems with Prometheus
You may open issue on Prometheus support forum (system) here: https://github.com/prometheus-lua/Prometheus/issuesSimilar to Prometheus repositories
Here you may see Prometheus alternatives and analogs
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